NetBIOS over TCP/IP allows host name resolution for NetBIOS names over the TCP/IP protocol. By disabling NetBIOS TCP/IP is to improve performance, it’s recommended that you disable NetBIOS over TCP/IP on your cluster network NIC and other dedicated purpose. 

To disable NetBIOS over TCP/IP support

1. From the Network and Internet icon in Control Panel , select Local Area Connection and right-click Properties.
2. On the General tab, click Internet Protocol (TCP/IP) in the list of components, and click the Properties button.